hollywood and the richest of beverly hills, downtown, simmering skyscrapers have created a ren -- >> v.j. gupta calls this home. he first picked up a violin when he was four-year-old. he was soon played around the world. when he was 19, he became the youngest violinist ever. >> this is the all-stars. he joined the l.a. symphony, this is a dream job. despite living his dream, gupta wondered if he can use his mew s i cmusic to heal the less fortunate. >> who was i playing for? was that who i was? [ applause ] >> those questions would lead gupta to a most unlikely audience, one that could never afford to hear him play. just a few blocks away from the concert hall, a world apart is a place unknown to many. >> we actually have this place where people are treated like refuges. >> the highest concentration of homelessness in america. >> what did you feel for the first time? >> i felt like someone had actually punched me. if i were to put words to it, i think what i felt was shame. >> but, that feeling would spur him to do something remarkable. >> and so i started reaching out to clinicians and hospita